Henry reinach



H. REINAGH.

CHECK VALVE.

(No Model.)

Patented Aug. 24,1897.-

lllllllllll llllIWll UNITED STATES PATENT OEEICE.

IIENRY REINACII, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO CHARLESREINACH, OF SAME PLACE,

CH ECK-VALVE.

SPECIFICATION forming part of Letters Patent No. 588,779, dated August24, 1897.

Application-filed December 26, 1896. Serial No. 616,998. (No model.)

To all whom t may concern,.-

Be it known that I, HENRY REINACH, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvementsin Check-Valves, of whichthe following is a specication.

The object of my invention is to provide a simple, economical, andefficient check-valve; and the invention consists in the features,combinations, and details of construction liereinafter described andclaimed.

In the accompanying drawings, Figure lis an elevation of my improvementas attached in position ready for use 5 Fig. 2, a vertical longitudinalsectional elevation of my improved check-valve; and Fig. 3, a transversesectional view, taken on line 3 of Fig. 2, looking in the direction ofthe arrow.

In the art to which this invention relates it is well known that if achip or piece of dirt gets caught between the. valve and seat it keepsthe valve open and allows the water or iiuid to seep through, thusdestroying the efficiency of the valve. Again, in valves of thisparticular class if it be desired to let the water out that is above orto the rear of the check the pipes have to be taken apart and the valveremoved, so that it causes considerable annoyance and delay to let theWater or fluid out. My invention is intended to remove these objectionsand provide a valve in which the danger of chips or dirt interferingwith the proper working thereof is minimized and which is furtherprovided with mechanism by which the uid above the check may be allowedto pass through without disturbing the valve proper.

In constructing my improvement I preferably make a valve-casing in twoparts A and A. The part A isI provided with a tubular raised seatportion a, having a sharp upper portion a', on which the valve propermay rest. This seat portion is so constructed and arranged that itprovides an annular chamber a2 between it and the casing.

I provide a valve proper, B, having depending wings b, that are insertedin the tubular portion of the valve-seat and act as a guide, while theupper portion of the valve is provided with a rod B', that is passedthrough a perforation in a guide-bar b. I provide this valve with acushion portion b2, that impinges against the seat, so that whenfluidpressure is exerted against the valve the seat is forced slightlyinto the cushion portion and effectuall y prevents the passage of liquidor fluid therethrough. From the foregoing it will be seen that if anychips or dirt pass up through the tubular part A2 of the valvecasing itwill be washed over the sharp edge and not retained on the seat portionto interfere with the proper working of the valve.

In order to allow the liquid or fluid that is confined above or to therear of the valve proper to escape, I provide the tubular portion a witha perforation or supplementary valve-seat C and screw-thread a valve Cin the valve-casing, so that by turning this screw in or out theperforation or valve-seat is opened or closed and permits the liquid toescape without necessitating the disconnecting of the pipes or takingdown the valve.

While I have described my invention with more or less minuteness asregards details and as being embodied in certain precise forms, I do notdesire to be limited thereto unduly any more than is pointed out in theclaim. On the contrary, I contemplate all proper changes in form,construction, and arrangement, the omission of immaterial elements, andthe substitution` of equivalents as circumstances may suggest ornecessity render expedient.

I claim- In a check-valve, the combination of two tubular portionsforming the valve-casing and secured together so as to be separatedlongitudinally, the lower portion being provided With a centrally-raisedtubular portion forming a valve-seatA and an annular channel between itand the exterior casing, a cushion-valve having depending armslongitudinally movably seated on the valve-seat and provided with anupwardly-projecting rod, a guide-bar in the upper valve-casing to assistin positioning the valve and guide it in its movements, anauxiliary-valve perforation in the upwardly-projecting valve-seatlocated above the bottom of the annular chamber, and a screw threadedvalve extending through the valve-casing to open or close thisauxiliary-valve perforation, substantially as described. HENRY REINAOH.Witnesses:

CHARLES REINACH,

THOMAS F. SHERIDAN.

IOO

